Dated deterministic uuid

DatedDeterministicUuid.php

<?php

declare(strict_types=1);

use Symfony\Component\Uid\UuidV8;

class DatedDeterministicUuid extends UuidV8
{
    public function __construct(\DateTimeInterface $date, mixed $value)
    {
        $date = $date->diff(new \DateTimeImmutable('1970-01-01'))->format('%a');
        $date = dechex((int) $date);

        $hash = hash('xxh128', serialize($value));

        $uuid = sprintf(
            '%06s%2s-8%3s-%04x-%4s-%12s',
            $date,
            substr($hash, 0, 2),
            substr($hash, 2, 3),
            0x8000 | (((int) base_convert(substr($hash, 5, 4), 16, 10)) & 0x3FFF),
            substr($hash, 9, 4),
            substr($hash, 13, 12)
        );

        parent::__construct($uuid);
    }
}